20 kinds of atmosphere sounds, making live broadcast more interesting, 10 effects (continuous wheat, anchor, KTV, goddess, male god, shouting wheat, dodge, silence, accent, electronic sound), 12 kinds of electronic tone, 3 kinds of sound effects 8 kinds of effect volume adjustment (reverb, pitch, treble, bass, recording, accompaniment, monitor, microphone), transposition function effect, make the sound become more interesting, double double sing double monitor, one button silence, let the original song Becomes an accompaniment, Bluetooth accompaniment, built-in 1000 mAh lithium battery, can be used continuously for 12 hours